$523 Cheap Flights from Guam (GUM) to Sydney (SYD)

View $523 flight on Fri, Jun 13, 2025Opens in a new window
Find available prices by choosing your travel dates.

Cheap Flights from Guam to Sydney (GUM-SYD)

Prices were available within the past 7 days and start at $523 for one-way flights and $1,109 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Mon, Oct 13 - Fri, Oct 17
GUM
Guam
SYD
Sydney
$1,109 Roundtrip, found 4 hours ago
$1,109
Roundtrip
found 4 hours ago
Select Philippine Airlines flight, departing Mon, Oct 13 from Guam to Sydney, returning Fri, Oct 17, priced at $1,109 found 4 hours ago
T'Way Air
Wed, Sep 3 - Sat, Sep 13
GUM
Guam
SYD
Sydney
$1,117 Roundtrip, found 6 days ago
$1,117
Roundtrip
found 6 days ago
Select T'Way Air flight, departing Wed, Sep 3 from Guam to Sydney, returning Sat, Sep 13, priced at $1,117 found 6 days ago
T'Way Air
Wed, Sep 10 - Sat, Sep 13
GUM
Guam
SYD
Sydney
$1,118 Roundtrip, found 1 day ago
$1,118
Roundtrip
found 1 day ago
Select T'Way Air flight, departing Wed, Sep 10 from Guam to Sydney, returning Sat, Sep 13, priced at $1,118 found 1 day ago
Philippine Airlines
Fri, Oct 3 - Thu, Oct 9
GUM
Guam
SYD
Sydney
$1,134 Roundtrip, found 2 days ago
$1,134
Roundtrip
found 2 days ago
Select Philippine Airlines flight, departing Fri, Oct 3 from Guam to Sydney, returning Thu, Oct 9, priced at $1,134 found 2 days ago
T'Way Air
Wed, Sep 3 - Sat, Sep 20
GUM
Guam
SYD
Sydney
$1,137 Roundtrip, found 3 days ago
$1,137
Roundtrip
found 3 days ago
Select T'Way Air flight, departing Wed, Sep 3 from Guam to Sydney, returning Sat, Sep 20, priced at $1,137 found 3 days ago
Philippine Airlines
Sun, Jul 27 - Wed, Aug 6
GUM
Guam
SYD
Sydney
$1,142 Roundtrip, found 6 hours ago
$1,142
Roundtrip
found 6 hours ago
Select Philippine Airlines flight, departing Sun, Jul 27 from Guam to Sydney, returning Wed, Aug 6, priced at $1,142 found 6 hours ago
T'Way Air
Mon, Sep 15 - Sat, Sep 27
GUM
Guam
SYD
Sydney
$1,157 Roundtrip, found 6 days ago
$1,157
Roundtrip
found 6 days ago
Select T'Way Air flight, departing Mon, Sep 15 from Guam to Sydney, returning Sat, Sep 27, priced at $1,157 found 6 days ago
T'Way Air
Wed, Sep 10 - Sat, Sep 27
GUM
Guam
SYD
Sydney
$1,157 Roundtrip, found 3 days ago
$1,157
Roundtrip
found 3 days ago
Select T'Way Air flight, departing Wed, Sep 10 from Guam to Sydney, returning Sat, Sep 27, priced at $1,157 found 3 days ago
Korean Air
Wed, Jun 4 - Wed, Jun 18
GUM
Guam
SYD
Sydney
$1,640 Roundtrip, found 2 days ago
$1,640
Roundtrip
found 2 days ago
Select Korean Air flight, departing Wed, Jun 4 from Guam to Sydney, returning Wed, Jun 18, priced at $1,640 found 2 days ago
Malaysia Airlines
Sun, Sep 28 - Wed, Oct 8
GUM
Guam
SYD
Sydney
$2,420 Roundtrip, found 3 days ago
$2,420
Roundtrip
found 3 days ago
Select Malaysia Airlines flight, departing Sun, Sep 28 from Guam to Sydney, returning Wed, Oct 8, priced at $2,420 found 3 days ago

Frequently asked questions

How much does a flight from A.B. Won Pat Intl. Airport (GUM) to Kingsford Smith Intl. Airport (SYD) cost?
Discover the latest flight deals from GUM to SYD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from GUM to SYD?
The cheapest flights from GUM to SYD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from GUM to SYD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from GUM to SYD. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from A.B. Won Pat Intl. Airport (GUM) to Kingsford Smith Intl. Airport (SYD)?
Direct flights from A.B. Won Pat Intl. Airport (GUM) to Kingsford Smith Intl. Airport (SYD) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from GUM to SYD?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from A.B. Won Pat Intl. Airport (GUM) to Kingsford Smith Intl. Airport (SYD)?
Opt for a flight from A.B. Won Pat Intl. Airport (GUM) to Kingsford Smith Intl. Airport (SYD) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from A.B. Won Pat Intl. Airport (GUM) to Kingsford Smith Intl. Airport (SYD) last-minute?
Waiting until just before your departure to book a ticket from GUM to SYD generally means paying more. While you might find some last-minute offers, there’s no guarantee. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book a GUM to SYD flight and hotel package?
You can save money by securing a GUM to SYD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one convenient place. After selecting your preferred accommodations and flights, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from A.B. Won Pat Intl. Airport (GUM) to Kingsford Smith Intl. Airport (SYD)?
In most instances, you’re able to reschedule or cancel your GUM to SYD flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline’s guidelines and fees on flight changes, or if you need more details, visit our Customer Service portal.
*Available to One Key members.